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      <h1 class="post-title">CURL类</h1>

      <div class="post-meta">
        <span class="post-time"> 2021-06-30 </span>
        <div class="post-category">
            <a href="/categories/%E6%8A%80%E6%9C%AF/"> 技术 </a>
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          <span class="more-meta"> 约 323 字 </span>
          <span class="more-meta"> 预计阅读 1 分钟 </span>
        
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  <ul>
    <li>
      <ul>
        <li><a href="#请求方法">请求方法</a></li>
        <li><a href="#get请求">GET请求</a></li>
        <li><a href="#post请求">POST请求</a></li>
        <li><a href="#设置头部参数">设置头部参数</a></li>
      </ul>
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<h2 id="请求方法">请求方法</h2>
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</ol>
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<td class="lntd">
<pre class="chroma"><code class="language-php" data-lang="php"><span class="k">public</span> <span class="k">static</span> <span class="k">function</span> <span class="nf">sendRequest</span><span class="p">(</span><span class="nv">$url</span><span class="p">,</span> <span class="nv">$params</span> <span class="o">=</span> <span class="p">[],</span> <span class="nv">$method</span> <span class="o">=</span> <span class="s1">&#39;POST&#39;</span><span class="p">,</span> <span class="nv">$options</span> <span class="o">=</span> <span class="p">[])</span>
<span class="p">{</span>
    <span class="nv">$method</span> <span class="o">=</span> <span class="nx">strtoupper</span><span class="p">(</span><span class="nv">$method</span><span class="p">);</span>
    <span class="nv">$protocol</span> <span class="o">=</span> <span class="nx">substr</span><span class="p">(</span><span class="nv">$url</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">5</span><span class="p">);</span>
    <span class="nv">$query_string</span> <span class="o">=</span> <span class="nx">is_array</span><span class="p">(</span><span class="nv">$params</span><span class="p">)</span> <span class="o">?</span> <span class="nx">http_build_query</span><span class="p">(</span><span class="nv">$params</span><span class="p">)</span> <span class="o">:</span> <span class="nv">$params</span><span class="p">;</span>
    <span class="nv">$ch</span> <span class="o">=</span> <span class="nx">curl_init</span><span class="p">();</span>
    <span class="nv">$defaults</span> <span class="o">=</span> <span class="p">[];</span>
    <span class="k">if</span> <span class="p">(</span><span class="s1">&#39;GET&#39;</span> <span class="o">==</span> <span class="nv">$method</span><span class="p">)</span> <span class="p">{</span>
        <span class="nv">$geturl</span> <span class="o">=</span> <span class="nv">$query_string</span> <span class="o">?</span> <span class="nv">$url</span> <span class="o">.</span> <span class="p">(</span><span class="nx">stripos</span><span class="p">(</span><span class="nv">$url</span><span class="p">,</span> <span class="s2">&#34;?&#34;</span><span class="p">)</span> <span class="o">!==</span> <span class="k">false</span> <span class="o">?</span> <span class="s2">&#34;&amp;&#34;</span> <span class="o">:</span> <span class="s2">&#34;?&#34;</span><span class="p">)</span> <span class="o">.</span> <span class="nv">$query_string</span> <span class="o">:</span> <span class="nv">$url</span><span class="p">;</span>
        <span class="nv">$defaults</span><span class="p">[</span><span class="nx">CURLOPT_URL</span><span class="p">]</span> <span class="o">=</span> <span class="nv">$geturl</span><span class="p">;</span>
    <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
        <span class="nv">$defaults</span><span class="p">[</span><span class="nx">CURLOPT_URL</span><span class="p">]</span> <span class="o">=</span> <span class="nv">$url</span><span class="p">;</span>
        <span class="k">if</span> <span class="p">(</span><span class="nv">$method</span> <span class="o">==</span> <span class="s1">&#39;POST&#39;</span><span class="p">)</span> <span class="p">{</span>
            <span class="nv">$defaults</span><span class="p">[</span><span class="nx">CURLOPT_POST</span><span class="p">]</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span>
        <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
            <span class="nv">$defaults</span><span class="p">[</span><span class="nx">CURLOPT_CUSTOMREQUEST</span><span class="p">]</span> <span class="o">=</span> <span class="nv">$method</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="nv">$defaults</span><span class="p">[</span><span class="nx">CURLOPT_POSTFIELDS</span><span class="p">]</span> <span class="o">=</span> <span class="nv">$query_string</span><span class="p">;</span>
    <span class="p">}</span>

    <span class="nv">$defaults</span><span class="p">[</span><span class="nx">CURLOPT_HEADER</span><span class="p">]</span> <span class="o">=</span> <span class="k">false</span><span class="p">;</span>
    <span class="nv">$defaults</span><span class="p">[</span><span class="nx">CURLOPT_USERAGENT</span><span class="p">]</span> <span class="o">=</span> <span class="s2">&#34;Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.98 Safari/537.36&#34;</span><span class="p">;</span>
    <span class="nv">$defaults</span><span class="p">[</span><span class="nx">CURLOPT_FOLLOWLOCATION</span><span class="p">]</span> <span class="o">=</span> <span class="k">true</span><span class="p">;</span>
    <span class="nv">$defaults</span><span class="p">[</span><span class="nx">CURLOPT_RETURNTRANSFER</span><span class="p">]</span> <span class="o">=</span> <span class="k">true</span><span class="p">;</span>
    <span class="nv">$defaults</span><span class="p">[</span><span class="nx">CURLOPT_CONNECTTIMEOUT</span><span class="p">]</span> <span class="o">=</span> <span class="mi">3</span><span class="p">;</span>
    <span class="nv">$defaults</span><span class="p">[</span><span class="nx">CURLOPT_TIMEOUT</span><span class="p">]</span> <span class="o">=</span> <span class="mi">3</span><span class="p">;</span>

    <span class="k">if</span> <span class="p">(</span><span class="s1">&#39;https&#39;</span> <span class="o">==</span> <span class="nv">$protocol</span><span class="p">)</span> <span class="p">{</span>
        <span class="nv">$defaults</span><span class="p">[</span><span class="nx">CURLOPT_SSL_VERIFYPEER</span><span class="p">]</span> <span class="o">=</span> <span class="k">false</span><span class="p">;</span>
        <span class="nv">$defaults</span><span class="p">[</span><span class="nx">CURLOPT_SSL_VERIFYHOST</span><span class="p">]</span> <span class="o">=</span> <span class="k">false</span><span class="p">;</span>
    <span class="p">}</span>

    <span class="nx">curl_setopt</span><span class="p">(</span><span class="nv">$ch</span><span class="p">,</span> <span class="nx">CURLOPT_HEADER</span><span class="p">,</span> <span class="k">true</span><span class="p">);</span>

    <span class="nx">curl_setopt_array</span><span class="p">(</span><span class="nv">$ch</span><span class="p">,</span> <span class="p">(</span><span class="k">array</span><span class="p">)</span><span class="nv">$options</span> <span class="o">+</span> <span class="nv">$defaults</span><span class="p">);</span>
    <span class="nv">$ret</span> <span class="o">=</span> <span class="nx">curl_exec</span><span class="p">(</span><span class="nv">$ch</span><span class="p">);</span>
    <span class="nv">$err</span> <span class="o">=</span> <span class="nx">curl_error</span><span class="p">(</span><span class="nv">$ch</span><span class="p">);</span>

    <span class="k">if</span> <span class="p">(</span><span class="k">false</span> <span class="o">===</span> <span class="nv">$ret</span> <span class="o">||</span> <span class="o">!</span><span class="k">empty</span><span class="p">(</span><span class="nv">$err</span><span class="p">))</span> <span class="p">{</span>
        <span class="nv">$errno</span> <span class="o">=</span> <span class="nx">curl_errno</span><span class="p">(</span><span class="nv">$ch</span><span class="p">);</span>
        <span class="nv">$info</span> <span class="o">=</span> <span class="nx">curl_getinfo</span><span class="p">(</span><span class="nv">$ch</span><span class="p">);</span>
        <span class="nx">curl_close</span><span class="p">(</span><span class="nv">$ch</span><span class="p">);</span>
        <span class="k">return</span> <span class="p">[</span>
            <span class="s1">&#39;ret&#39;</span>   <span class="o">=&gt;</span> <span class="k">false</span><span class="p">,</span>
            <span class="s1">&#39;errno&#39;</span> <span class="o">=&gt;</span> <span class="nv">$errno</span><span class="p">,</span>
            <span class="s1">&#39;msg&#39;</span>   <span class="o">=&gt;</span> <span class="nv">$err</span><span class="p">,</span>
            <span class="s1">&#39;info&#39;</span>  <span class="o">=&gt;</span> <span class="nv">$info</span><span class="p">,</span>
        <span class="p">];</span>
    <span class="p">}</span>
    <span class="nx">curl_close</span><span class="p">(</span><span class="nv">$ch</span><span class="p">);</span>
    <span class="k">return</span> <span class="p">[</span>
        <span class="s1">&#39;ret&#39;</span> <span class="o">=&gt;</span> <span class="k">true</span><span class="p">,</span>
        <span class="s1">&#39;msg&#39;</span> <span class="o">=&gt;</span> <span class="nv">$ret</span><span class="p">,</span>
    <span class="p">];</span>
<span class="p">}</span>
</code></pre></td></tr></table>
</div>
</div><ol start="2">
<li>
<h2 id="get请求">GET请求</h2>
</li>
</ol>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre class="chroma"><code><span class="lnt">1
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<pre class="chroma"><code class="language-php" data-lang="php"><span class="k">public</span> <span class="k">static</span> <span class="k">function</span> <span class="nf">get</span><span class="p">(</span><span class="nv">$url</span><span class="p">,</span> <span class="nv">$params</span> <span class="o">=</span> <span class="p">[],</span> <span class="nv">$options</span> <span class="o">=</span> <span class="p">[])</span>
<span class="p">{</span>
    <span class="nv">$req</span> <span class="o">=</span> <span class="nx">self</span><span class="o">::</span><span class="na">sendRequest</span><span class="p">(</span><span class="nv">$url</span><span class="p">,</span> <span class="nv">$params</span><span class="p">,</span> <span class="s1">&#39;GET&#39;</span><span class="p">,</span> <span class="nv">$options</span><span class="p">);</span>
    <span class="k">return</span> <span class="nv">$req</span><span class="p">[</span><span class="s1">&#39;ret&#39;</span><span class="p">]</span> <span class="o">?</span> <span class="nv">$req</span><span class="p">[</span><span class="s1">&#39;msg&#39;</span><span class="p">]</span> <span class="o">:</span> <span class="s1">&#39;&#39;</span><span class="p">;</span>
<span class="p">}</span>
</code></pre></td></tr></table>
</div>
</div><ol start="3">
<li>
<h2 id="post请求">POST请求</h2>
</li>
</ol>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre class="chroma"><code><span class="lnt">1
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<td class="lntd">
<pre class="chroma"><code class="language-php" data-lang="php"><span class="k">public</span> <span class="k">static</span> <span class="k">function</span> <span class="nf">post</span><span class="p">(</span><span class="nv">$url</span><span class="p">,</span> <span class="nv">$params</span> <span class="o">=</span> <span class="p">[],</span> <span class="nv">$options</span> <span class="o">=</span> <span class="p">[])</span>
<span class="p">{</span>
    <span class="nv">$req</span> <span class="o">=</span> <span class="nx">self</span><span class="o">::</span><span class="na">sendRequest</span><span class="p">(</span><span class="nv">$url</span><span class="p">,</span> <span class="nv">$params</span><span class="p">,</span> <span class="s1">&#39;POST&#39;</span><span class="p">,</span> <span class="nv">$options</span><span class="p">);</span>
    <span class="k">return</span> <span class="nv">$req</span><span class="p">[</span><span class="s1">&#39;ret&#39;</span><span class="p">]</span> <span class="o">?</span> <span class="nv">$req</span><span class="p">[</span><span class="s1">&#39;msg&#39;</span><span class="p">]</span> <span class="o">:</span> <span class="s1">&#39;&#39;</span><span class="p">;</span>
<span class="p">}</span>
</code></pre></td></tr></table>
</div>
</div><ol start="4">
<li>
<h2 id="设置头部参数">设置头部参数</h2>
</li>
</ol>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre class="chroma"><code><span class="lnt">1
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<td class="lntd">
<pre class="chroma"><code class="language-php" data-lang="php"><span class="nv">$option</span><span class="p">[</span><span class="nx">CURLOPT_HTTPHEADER</span><span class="p">]</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span>
		<span class="s1">&#39;Content-Type: application/json&#39;</span><span class="p">,</span>
<span class="p">);</span>
</code></pre></td></tr></table>
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